n.
A period of 14 days; two weeks.
[Middle English fourtenight, alteration of fourtene night, fourteen nights : Old English fēowertēne, fourteen + Old English niht, night.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.